Threats Tagged 'cve-2026-75509'
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Threats Tagged 'cve-2026-75509'
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CVE-2026-75509: CWE-290: Authentication Bypass by Spoofing in authlib joserfcCVE-2026-75509 0 A vulnerability in the authlib joserfc Python library prior to version 1.7.3 allows issuer-validation bypass due to improper handling of array-valued 'iss' claims in JWT tokens. This authentication bypass flaw enables an attacker to spoof the issuer claim, potentially leading to unauthorized actions. The issue is fixed in version 1.7.3. Join the discussion | CVE Database V5 | 08/24/2026, 20:08:07 UTC Added: 08/24/2026, 20:22:44 UTC |
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